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Method for obtaining fetal heart rate

A technology of fetal heart rate and fetal heart sound, applied in the field of fetal heart rate monitoring, can solve the problems of low efficiency, large time complexity, and long time required to obtain fetal heart rate, so as to reduce the time required and improve efficiency Effect

Inactive Publication Date: 2017-02-01
SUZHOU MODOO MEDICAL TECH CO LTD
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Problems solved by technology

[0013] In view of this, the embodiment of the present invention provides a method for obtaining the fetal heart rate, which can reduce the time required for obtaining the fetal heart rate and improve the efficiency of obtaining the fetal heart rate, so as to solve the problem of the existing fetal heart rate method. A large number of multiplication operations are required to correlate values, and the calculation complexity is high, and the time complexity is large, which leads to the problem that it takes a long time to obtain the fetal heart rate and the efficiency is low

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  • Method for obtaining fetal heart rate
  • Method for obtaining fetal heart rate

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Embodiment Construction

[0038] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0039] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0040] figure 1 It is a schematic flowchart of a method for obtaining fetal heart rate according to an embodiment of the present invention. see figure 1 , the method of this embodiment may include:

[0041] Step 101, obtaining fetal heart sound signal;

[0042] In this embodiment, as an optional embodiment, a Doppler ultrasonic instrument can be used to transmit ultrasonic waves and receive Doppler echo signals reflected by the fetus. The Doppler echo signals include fetal heart sound signals, The number of fetal...

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Abstract

The embodiment of the invention discloses a method for obtaining a fetal heart rate, relates to a fetal heart rate monitoring technology, and can reduce the time for obtaining the fetal heart rate and improve the efficiency of obtaining the fetal heart rate. The method for obtaining the fetal heart rate comprises the following steps: acquiring a fetal heart sound signal; converting the fetal heart sound signal into a binary sequence according to a preset binary conversion threshold value; traversing the binary sequence of each sampling period, and respectively calculating and values of the binary sequence of the sampling period and a binary sequence obtained after the binary sequence of the sampling period moves leftwards by m sampling periods; summing the calculated and values to obtain an autocorrelation value, and obtaining the fetal heart rate according to the autocorrelation value. The method is applicable to monitoring of the fetal heart rate.

Description

technical field [0001] The invention relates to fetal heart rate monitoring technology, in particular to a method for obtaining fetal heart rate. Background technique [0002] Fetal heart sound is the sound made when the fetal heart beats. It is one of the most important physiological signals of the fetus. It contains a large number of physiological and pathological information about the functional status of various parts of the fetal heart, such as atrium, ventricle, great blood vessels, cardiovascular and valves. Fetal heart rate is an important characterization of fetal heart sounds. [0003] Prenatal monitoring of the fetal heart rate of pregnant women can keep abreast of the situation of the fetus in the uterus and the placental function, and detect possible diseases in the fetus in time, which is extremely important for reducing neonatal mortality and complications of pregnant women. [0004] At present, the commonly used method for fetal heart rate monitoring is the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/02
CPCA61B8/02A61B8/5223
Inventor 周营彭庆勇
Owner SUZHOU MODOO MEDICAL TECH CO LTD
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